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Epson TM U200D - B/W Dot-matrix Printer, Technical Manual

The Epson TM U200D is a reliable and efficient B/W dot-matrix printer. For thorough understanding and technical assistance, we provide a free download of the comprehensive Technical Manual on our website. Discover detailed instructions and troubleshooting tips, ensuring seamless performance. Download it today from manualshive.com and unlock the printer's full potential.

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Rev. B

   -3

TM-U200D/U200PD Technical Manual

Chapter 4   

Troubleshooting 

Self-test   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-1

Initiating the Self-test   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-1
Self-test Standby   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-1
Ending the Self-test  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-2

Troubleshooting Flowchart  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-3
Troubleshooting Tables   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-9
Error Types and Countermeasures  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4-14

Chapter 5   

Disassembly, Assembly, and Adjustment 

Small Part Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-1
Disassembly  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-2

Removing the fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-2

Sub-assembly A  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-3

Frame, paper feed unit ass’y   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-3

Main Assembly 1  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-8

Lever, ribbon switch , Spring, ribbon release , Lever, ribbon release , Gear, ribbon intermediate, 
Gear, ribbon transmission , Ribbon take-up ass’y , and Plate, ribbon drive ass’y. . . . . . . . . . . . . . . . . . . . . . . . .   5-8

Main Assembly 2  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-10

Tension plate ass’y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-10

Main Assembly 3  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-10

Frame, paper feed ass’y   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-10

Main Assembly 4  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-11

Motor, carriage ass’y  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-11

Main Assembly 5  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-12

Carriage sub-ass’y  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-12

Main Assembly 6  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-13

Shaft, carriage ass’y  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-13

Main Assembly 7  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-14

Shaft holder, adjusting roller  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-14

Main Assembly 8  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-15

Shaft, carriage guide ass’y   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-15

Main Assembly 9  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-15

Spring, belt tension ass’y   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-15

Main Assembly 10  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-16

Detector sub-ass’y  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-16

Main Assembly 11  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-17

Radiating plate, carriage motor  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-17

Main Assembly 12  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-18

FFC, print head ass’y ( Single-color Print Version only)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-18
FPC, print head ass’y (2-color Print Version only)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-19

Main Assembly 13  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-20

Print head ground plate and Print head unit (Single-color Print Version only)   . . . . . . . . . . . . . . . . . . . . . . . . . .  5-20
Print head unit (2-color Print Version only)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-21

Main Assembly 14  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-23

Fame, ribbon knob and Frame, ribbon ass’y (Single-color Print Version only)  . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-23

Main assembly 15   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-24

Fixing plate, cover, left and Fixing plate, cover, right (2-color Print Version)  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-24

Main Assembly 16  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-25

Earth plate, ribbon frame (2-color Print Version only)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-25

Main Assembly 17  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-26

Frame, ribbon ass’y, Spring, ribbon frame and Fixing plate, ribbon frame (2-color Print Version only) . . . . . .  5-26

Main Assembly 18  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-27

Thumb-screw and Cover, head (2-color Print Version only)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-27

Main Assembly 1 (Case Unit)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5-28

Summary of Contents for TM U200D - B/W Dot-matrix Printer

Page 1: ... wish you can increase the size of the bookmark area by dragging the dividing bar to the right Use the scroll bar on the right side of this screen to move through the text Use the zoom tools to magnify or reduce the page display Click the Find button if you want to search for a particular term However using the bookmarks is usually quicker Complete online documentation for Acrobat Reader is locate...

Page 2: ...technical manual TM U200D U200PD EPSON English 4005680 ...

Page 3: ...e to the purchaser of this product or third parties for damages losses costs or expenses incurred by purchaser or third parties as a result of accident misuse or abuse of this product or unauthorized modifications repairs or alterations to this product or excluding the U S failure to strictly comply with Seiko Epson Corporation s operating and maintenance instructions Seiko Epson Corporation shall...

Page 4: ...EPSON SEIKO EPSON CORPORATION Printed in Japan E9608130 0000SE ...

Page 5: ... to this printer will invalidate the FCC Verification of this device and may cause interference levels which exceed the limits established by the FCC for this equipment You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment FOR CANADIAN USERS This digital apparatus does not exceed the Class A...

Page 6: ...e carriage and one for paper feeding Flexible paper feed setting permits printing in accordance with any user defined format Command protocol based on ESC POS a widely used standard Built in drawer kick out interface provides capability to drive two drawers Selectable character fonts 7 x 9 9 x 9 Semi automatic paper loading capability AC adapter included provides compact power supply Compact and l...

Page 7: ...Rev B iii Notes and Cautions Note Notes have important information and useful tips on the operation of your printer CAUTION Cautions must be observed to avoid damage to your equipment ...

Page 8: ...iv Rev B Revision Sheet Revision Page Altered Item and Contents Rev B All Added information of the 2 color Print Version ...

Page 9: ... end Detector N E U200 Optional 1 13 Connectors 1 13 Interface Connector 1 13 Power Supply Connector 1 14 Drawer Kick Out Connector 1 14 Interface 1 16 RS 232 Serial Interface 1 16 Interface Connector Pin Assignments 1 17 RS 485 Serial Interface option 1 19 IEEE 1284 Parallel Interface 1 19 Reverse Mode Data Transmission from Printer to Host 1 19 Interface Connector Pin Assignments 1 21 Buttons an...

Page 10: ... from Red to Black 2 11 Electrical Circuitry Operating Principles 2 12 Hardware Configuration 2 12 Principles of Operation 2 16 Power Supply Circuitry 2 16 Control Circuitry 2 17 CPU 2 18 Various detector circuits 2 22 Host interface circuit 2 23 Drawer kick out drive circuit 2 23 DIP switch read circuit 2 24 Printer Mechanism Drive Circuit 2 25 Print head drive circuit 2 25 Chapter 3 Handling and...

Page 11: ...y 7 5 14 Shaft holder adjusting roller 5 14 Main Assembly 8 5 15 Shaft carriage guide ass y 5 15 Main Assembly 9 5 15 Spring belt tension ass y 5 15 Main Assembly 10 5 16 Detector sub ass y 5 16 Main Assembly 11 5 17 Radiating plate carriage motor 5 17 Main Assembly 12 5 18 FFC print head ass y Single color Print Version only 5 18 FPC print head ass y 2 color Print Version only 5 19 Main Assembly ...

Page 12: ...t 5 45 Platen gap adjustment 5 45 Appendix RS 485 Serial Interface A 1 XON XOFF Transmit Timing A 4 Data Format When Using RS 485 A 4 Main Circuit Board A Parts Layout A 6 Main Circuit Board C Parts Layout A 7 RS 232 Serial Interface Circuit Board Parts Layout A 8 IEEE 1284 Parallel Interface Circuit Board Parts Layout A 9 RS 485 Serial Interface Circuit Board Parts Layout A 10 Main Circuit Board ...

Page 13: ...ter 1 Features and General Specifications Figure 1 1 TM U200D U200PD appearance POWER LED Power switch PAPER OUT LED ERROR LED FEED button PAPER OUT PRESS FEED DIP switches Power supply connector Drawer kick out connector Frame ground screw Frame ground screw Interface connector P ROM ...

Page 14: ...Dot pitch 0 353 mm 1 72 Dot wire diameter 0 29 mm 0 01 Printing direction Bidirectional logic seeking Printing width 63 34 mm 2 49 Line feed 4 23 mm 1 6 default setting Programmable in units of 1 144 inch by using commands Paper feed method Friction feed Paper feed speed Approximately 4 17 inches second 25 lines second during continuous paper feeding Characters per line See the table in the next p...

Page 15: ...ure Character Set Character Dimensions WxH Dot Spacing Between Characters Characters Per Line CPL Characters Per Inch CPI 7 x 9 ANK 1 2 x 3 1 mm 047 x 122 3 half dots 40 16 Graphics 1 7 x 3 1 mm 070 x 122 0 40 16 9 x 9 ANK 1 6 x 3 1 mm 063 x 122 3 half dots 33 13 3 Graphics 2 0 x 3 1 mm 079 x 122 0 33 13 3 7 x 9 ANK 1 2 x 3 1 mm 047 x 122 2 half dots 42 17 8 Graphics 1 6 x 3 1 mm 063 x 122 0 42 17...

Page 16: ...1 4 Features and General Specifications Rev B Figure 1 3 Character size 7 x 9 font example 3 1 mm 0 122 2 4 mm 0 094 1 24 mm 0 049 1 59 mm 0 063 0 353 mm 0 014 ...

Page 17: ...13 9 to 17 lbs 45 to 55 kg 1000sheets 1091 x 788 Pressure sensitive paper Original 1 sheet up to two copy sheets Thickness 1 sheet 0 05 to 0 08 mm 0020 to 0031 Total thickness 0 2 mm 0079 or less Recommended paper Mitsubishi Carbonless paper blue Top and middle sheets N40Hi paper thickness 0 06 mm 0024 weight 47 2 g m2 12 6 lbs Bottom sheet N60 paper thickness 0 08 mm 0031 weight 68 0 g m2 18 1 lb...

Page 18: ...ea are the values calculated between dot centers according to the wire diameter 0 29 mm 011 Paper Roll Supply Device Receive Buffer Either 1 KB or 40 bytes selectable by DIP switches Figure 1 4 Printing area Supply device Drop in loading Maximum of 200 dots 400 positions 76 mm 2 99 20 2 mm 0 79 1 Cutting position manual cutter 6 76 mm 0 27 2 63 34 mm 2 49 5 9 mm 0 23 ...

Page 19: ...ers is included depending on the specifications AC adapter specifications Power consumption except when driving drawer kick out Mean Average 43 W Stand by Average 6 W Model number Color Ribbon life 1 ERC 38 P Purple 4 million characters under continuous printing at 25 C 77 F ERC 38 B Black 3 million characters under continuous printing at 25 C 77 F ERC 38 B R Black and Red Black 1 5 million charac...

Page 20: ...ctions please see the figure below Storage 10 to 50 C 14 to 122 F except paper and ribbon Humidity Operating 10 to 90 RH non condensing Storage 10 to 90 RH non condensing except paper and ribbon Figure 1 5 Operating temperature and humidity range Vibration resistance When packed Frequency 5 to 55 Hz Acceleration 2 G Sweep 10 minutes half cycle Duration 1 hour Directions x y and z Operating Tempera...

Page 21: ...Height 60 cm 23 62 Directions 1 corner 3 edges and 6 surfaces When unpacked Height 5 cm 1 97 Directions Lift one edge and release it for all 4 edges Printer mechanism MCBF 5 000 000 lines excluding the print head Life Approximately 7 500 000 lines The printer is defined to have reached the end of its life when it cannot function property because of the main parts motors solenoids frames shafts etc...

Page 22: ...e Configuration Figure 1 6 TM U200D U200PD main unit configuration Motor carriage Motor paper feed Paper detector Print head unit Detector sub ass y switch sub ass y Paper roll near end detector N E U200 optional Main circuit board Interface circuit board ...

Page 23: ...consumption Peak 1 1 A in worst case Average 200 mA at 24V DC 25 C 77 F 600 pps 350 mA maximum Type 4 phase PM type stepping motor Drive voltage 24V DC 10 Winding resistance 39 5 Ω 1 9 Ω at 25 C 77 F per phase Current consumption Peak 1 5 A maximum Average 400 mA at 24V DC 25 C 77 F 952 pps 600 mA maximum Solenoid number 9 Winding resistance 15 6 Ω 5 at 25 C 77 F per phase Drive voltage 24V DC 10 ...

Page 24: ...nterface Connector See the interface section Type Microswitch Voltage 5V DC 5 Output level High when paper end is detected Type Microswitch Voltage 5V DC 5 Output level Low when a paper near end is detected Frame ground screw Interface connector Frame ground screw Drawer kick out Power supply connector connector Interface connector Drawer kick out connector Power suppl connector Frame ground screw...

Page 25: ...e status of the input signal by using the GS a GS r or DLE EOT commands 1 Drawer open close signal The host computer can check the drawer open close status with the DLE EOT GS a and GS r commands Pin assignments See the table below Model printer side Hosiden TCS7960 532010 or equivalent Power supply connector pin assignments Pin Number Signal Name 1 30V DC unregulated 2 GND 3 NC Shell Frame GND Dr...

Page 26: ...ously The drawer drive duty must be as shown below Be sure to use the printer power supply connector pin 4 for the drawer power source Output signal Voltage Approximately 24V DC Current 1 A or less Output waveform Outputs the waveforms in Figure 1 8 to pins 2 and 5 of the connector t1 ON time and t2 OFF time are specified by ESC p Figure 1 9 Drawer kick out drive signal output waveform t1 x 2 ms t...

Page 27: ...settings Data transmitted from the printer has 1 stop bit fixed Data transmission Serial compatible with RS 232 Synchronization Asynchronous Handshaking DTR DSR or XON XOFF control Signal levels MARK 3 to 15 V Logic 1 OFF SPACE 3 to 15 V Logic 0 ON Baud rates 4800 9600 bps Data word lengths 7 or 8 bits Parity settings None even odd Stop bits 1 or more Connector Female D SUB 25 pin connector ...

Page 28: ...s that the printer is busy The busy condition can be changed by using DIP SW 1 8 as follows 20 DTR O 2 When XON XOFF control is selected This signal indicates whether the printer is correctly connected and is ready to receive data SPACE indicates that the printer is ready to receive data The signal is always SPACE except in the following cases During the period after the power is turned on until t...

Page 29: ...ses when empty paper supply is detected by either the paper roll end detector or the paper roll near end detector with a printing halt feature set enabled due to paper shortage by ESC c 4 When an error has occurred XON XOFF transmit timing When XON XOFF control is selected the printer transmits XON or XOFF signals as follows 1 XON is not transmitted when the receive buffer is full 2 XOFF is not tr...

Page 30: ...gnals Handshaking nAck and Busy signals Signal levels TTL compatible Connector 57RE 40360 830B DDK or equivalent IEEE 1284 Type B Reverse communication Printer Host Nibble or Byte Mode Reverse Mode Data Transmission from Printer to Host The STATUS data transmission from the printer to the host is proceeded in the Nibble or Byte mode This mode allows data transmission from the asynchronous printer ...

Page 31: ...U200D U200PD Technical Manual The both modes fail to be proceeded concurrently with the Compatibility Mode thereby causing half duplex transmission The IEEE 1284 Nibble Byte Modes are under development in the form of draft and may be subject to change ...

Page 32: ...rifying the nAck signal or while the Busy signal is at the L level Interface cables shall be as minimum required short in length as possible NC No Connect ND No Defined Pin number Source Compatibility Mode Nibble Mode Byte Mode 1 Host nStrobe HostClk HostClk 2 Host Ptr Data0 LSB Data0 LSB Data0 LSB 3 Host Ptr Data1 Data1 Data1 4 Host Ptr Data2 Data2 Data2 5 Host Ptr Data3 Data3 Data3 6 Host Ptr Da...

Page 33: ...accordance with the IEEE 1284 In this case different from in the RS 232 serial interface specifications the real time interruptions from the printer to the host are disabled and thus precautions must be taken to the followings Allowable capacity of the printer internal buffer is 100 bytes except ASB status The status signals exceeding this capacity will be discarded To prevent possible loss of sta...

Page 34: ...not be used when printer is busy due to receive buffer full state If the host can transmit data when the printer is busy and the receive buffer becomes full while the host is sending bit image data a DLE EOT or DLE ENQ command used while sending bit image data is processed as bit image data not as a command Secondly any data transmitted when the receive buffer is full may be lost Example Check the...

Page 35: ...abled Note The ESC c 5 command enables or disables the panel button When disabled the button will not function However when loading a paper roll you can feed paper with the FEED button during the paper loading waiting time if the paper loading waiting time is set by GS z 0 Press the FEED button again after the PAPER OUT LED starts blinking to return the printer to the on line state Type See saw ty...

Page 36: ... receive error Ignored Prints 2 Receive buffer capacity Data buffer 40 bytes Data buffer 1 KB 3 Handshaking XON XOFF DTR DSR 4 Data word length 7 bits 8 bits 5 Parity check Yes No 6 Parity selection Even Odd 7 Baud rate selection 4800 bps 9600 bps 8 Busy condition When the receive buffer is full When the receive buffer is full at an off line status DIP switch 2 DIP Switch Function ON OFF 1 Selects...

Page 37: ...ognized only when the printer power is turned on or reset using the interface If the DIP switch settings are changed after the printer power is turned on the change does not take effect until the printer is turned on again or reset excluding switch 2 4 DIP switch 2 DIP Switch Function ON OFF 1 Print column selection 7 9 font 9 9 font 42CPL 35CPL 40CPL 33CPL 2 Internal use 1 3 Undefined 4 I FnInit ...

Page 38: ... 24V is stable Off Power supply of 24V is not stable Paper roll near end PAPER OUT LED Red On Paper roll near end is detected 1 Off Adequate paper remains on the paper roll normal condition Blinking Waiting for restarting test printing on paper roll or for return to on line status after automatic paper feeding 1 Near end detector is an option Error ERROR LED Red On Off line except during paper fee...

Page 39: ...rror If one of the following errors occurs the printer prints or ignores the data depending on the setting of DIP switch 1 1 Parity error Framing error Overrun error Buffer Full Printing When subsequent data is received after the printer processes one line of data in the print buffer the printer automatically prints the processed data and feeds the paper one line When the printer detects no paper ...

Page 40: ...t prints Hexadecimal Dump on the paper roll and prints the data received thereafter in hexadecimal numbers and their corresponding characters until the printer is turned off NOTES is printed if no printable ASCII character corresponds to the data received During the hexadecimal dump all commands except DLE EOT and DLE ENQ are disabled Insufficient print data to fill the last line can be printed by...

Page 41: ...NOTE Use only the EPSON PS 170 power supply to avoid damage to the printer and the power supply 100V 120V or 230V specified at time of purchase Input voltage rating 90 to 264 V 100VAC 10 to 230VAC 15 108 V AC to 132 V 120V type Frequency rating 50 to 60 Hz 3Hz Input current rating less than 100 VA AC switch None Energizing LED None Output voltage rating 24 VDC 5 Output voltage rating 2 0 A Output ...

Page 42: ...ples Printer Mechanism Operating Principles The printer mechanism M U200 mounted in the TM U200D U200PD is composed of four mechanisms print paper feed ribbon feed and detector In addition to the above four mechanism the 2 color Print Version has a ribbon switch mechanism Figure 2 1 M U200D Single color Print Version 2 color Print Version ...

Page 43: ... print mechanism unit consists of the parts shown in the figure below Figure 2 2 Print mechanism unit Frame paper feed ass y Belt Motor carriage ass y FFC print head Shaft carriage Print head unit Pulley belt Carriage sub ass y Shaft carriage guide Earth plate print head ass y tension ...

Page 44: ... specified print head drive pulse is input to the drive coil the iron core is magnetized and the actuating plate is pulled in the direction of arrow A This action pushes the wire toward the platen When the wire strikes the ink ribbon and paper against the platen a single dot is printed When the energizing of the drive coil is completed the wire and actuating plate are returned to the standby posit...

Page 45: ...7 mm 0 012 in approximately 1 05 ms each time the Motor carriage is rotated one step 7 5 To print character 2 print solenoids 2 and 9 are energized first at the same timing as the Motor carriage phase switching signal Then print solenoid 8 is energized at TnH being delayed a half dot The remaining print solenoids are energized correspondingly and the character 2 is finally printed Figure 2 5 Print...

Page 46: ...sm unit consists of the parts shown in the figure below Paper feeding is performed by driving the Motor paper feed stepping motor Figure 2 6 Paper feed mechanism unit Spring Roller paper hold Roller paper paper hold feed ass y Paper feed upper Frame paper feed ass y Gear paper feed reduction Shaft paper hold roller Motor paper feed ...

Page 47: ...in cover is open and the detector detects no paper Paper feeding Paper feeding is performed by conveying the rotational power of the Motor paper feed to the gear of the Motor paper feed through the Gear paper feed reduction Gear paper feed and Roller paper feed Since the Roller paper feed and Roller paper hold are pressed together paper is advanced to the top of the Frame paper feed assembly by th...

Page 48: ...er roll is fed Ribbon Feed Mechanism Unit The ribbon feed mechanism unit consists of the parts shown in the figure below The printer feeds the ribbon automatically as the Motor carriage rotates Figure 2 8 Paper feeding Figure 2 9 Ribbon feed mechanism unit Paper roll Roller paper feed Gear paper feed Gear paper feed Gear paper feed Roller paper hold reduction motor Gear ribbon intermediate Ribbon ...

Page 49: ...ys engaged the Gear ribbon take up rotates in the direction of arrow E When the Motor carriage rotates in the reverse direction and the Gear carriage motor rotates in the direction of arrow F the Plate ribbon drive moves in the direction of arrow G disengaging the Gear ribbon drive from the Gear ribbon transmission Therefore the Ribbon take up ass y rotates in the direction of arrow E only when th...

Page 50: ...entifies the carriage position and detects Carriage sub ass y operation errors The Detector sub assembly consists of an LED and photo transistor When the Carriage sub ass y moves the detection protrusion passes between the LED and photo transistor and blocks the optical axis of the photo transistor changing the output level of the photo transistor The change in the output level is used as a signal...

Page 51: ...d lines in the figure below This keeps the microswitch turned on When the amount of paper left on the roll decreases below a predetermined amount the tip of the Lever N E detection no longer presses against the side of the roll and moves in the direction indicated by the arrow into the hole in the center of the roll core This turns the microswitch off and generates a signal indicating that the pap...

Page 52: ...ibbon release area the Lever ribbon release is pushed by the ribbon release section then portion C pushes the Frame ribbon ass y upwaed At this time the ribbon switch detent face is released from the Lever ribbon switch hole of the Frame ribbon ass y the Lever ribbon switch is returned to Lever ribbon switch position B shown by the solid lines by the spring power of the Spring ribbon release When ...

Page 53: ...01 RS 232 UB P01 1284 or UB S02 RS 485 The figure below is a component connection diagram of the electrical circuitry Figure 2 15 Component connection diagram AC adapter ior PS 150 j CN1 CN2 CN4 CN5 CN6 CN9 CN8 CN11 DKD CN2 CN1 I F circuit board Near end detector optional Various sensors Not used Paper feed motor Carriage motor Main circuit board Host interface CN7 Print head Near end detector opt...

Page 54: ...r supply circuit Reset circuit CPU internal RAM 16K bits 2K x 8 bits Memory EPROM 512K bit 64K x 8 bits Operation panel control circuit Drawer kick out drive circuit Print head drive circuit Motor paper feed drive circuit DIP switch read circuit Various detector circuits Motor carriage drive circuit The interface circuit board contains the following Reset circuit Host interface circuit ...

Page 55: ...ircuit block diagram for the printer Figure 2 16 Circuit board block diagram AC adapter ior PS 150 j CN1 CN2 CN4 CN5 CN6 CN9 CN8 CN11 DKD CN2 CN1 I F circuit board Near end detector optional Various sensors Not used Paper feed motor Carriage motor Main circuit board Host interface CN7 Print head ...

Page 56: ...d Internal RAM 2KB Internal I O 96bytes 0000H FFFFH F000H F7A0H FFA0H FFFFH 0000H 0000H FFFFH 0000H FFFFH 0000H FFFFH 0000H FFFFH For multi lingual Character generator area 2 64KB For multi lingual Character generator area 1 64KB For multi lingual Character generator area 3 64KB For multi lingual Character generator area 4 64KB CPU Internal memory ROM External program memory External data memory 4...

Page 57: ...put from the CN1 connector through the filter circuit The filter circuit reduces outside noise and prevents internally generated noise from flowing through the 24V power line 24V DC circuit The 24V power from the filter circuit is input to printer power and the 5V regulator circuit Printer power and drawer drive power are the converted 24 1V that is regulated by series of regulators U2 to U4 Power...

Page 58: ...released for the CPU and other components and the printer becomes ready In addition the C terminal pin 4 of the reset IC U9 is connected to the reset signal DSR signal or pin 25 input signal from the host interface via DIP switches 2 3 and 2 4 If a reset signal is applied to this pin the reset IC output goes low and the CPU and other components are reset The reset signals differ depending on the i...

Page 59: ... O Level Description 1 P57 ELED DSW9 I O TTL ERROR LED Low on DIP SW 2 1 read when P100 P101 is low 2 NMI NMI I TTL Not used Connected to 5V directly 3 P100 AC1 DSEL O TTL Auto cutter drive 1 and DIP SW read selection Low read read once after the initialization High break status when used as motor control port 4 P101 AC 2 DSEL O TTL Auto cutter drive 2 and DIP SW read selection Low read read once ...

Page 60: ...face SD Low on 21 RESET RESET I CPU reset input Low on 22 CLK CLK O TTL Not used Open 23 VSS VSS I 0V GND terminal 24 X1 X1 I Connected to ceramic vibration generator f 14 74MHz 0 5 25 X2 X2 O Connected to ceramic f 14 74MHz 0 5 26 EA EA I TTL External memory access Low external ROM High internal ROM CPU mask 27 P75 P75 A16 O TTL External memory address A16 software 28 P76 P76 A17 O TTL External m...

Page 61: ...I O TTL Motor paper feed drive control 2 2 phase excitation All the terminals on low hold DIP SW 1 5 to 1 8 read when P100 P101 is low 57 P91 PF B DSW6 58 P92 PF C DSW7 59 P93 PF D DSW8 60 RD RD O TTL External memory data read signal 61 WR WR O TTL External memory data write signal 62 P32 DKD1 O TTL Drawer kick out drive signal 1 Low active 63 P33 DKD2 O TTL Drawer kick out drive signal 2 Low acti...

Page 62: ...ocessing flags pointers etc 70 P46 HEAD2 O TTL Print head 2 drive signal Low on 71 P47 HEAD1 O TTL Print head 1 drive signal Low on 72 P48 HEAD9 O TTL Print head 9 drive signal Low on 73 P51 T04 24VCOM SW O TTL Head auto cutter Drawer kick out power switch Low drive 74 P52 CRCOM SW O TTL Motor carriage power switch Low motor drive 75 VCC VCC I 5V Main power terminal 5V 76 P53 PFCOM SW O TTL Motor ...

Page 63: ...oading detector The Detector is provided to detect the print head position The input signal to CPU U5 becomes low when the home position is detected A near end detector is an option that detects the remaining amount of a paper roll The input signal to CPU U5 becomes low when a near end is detected Figure 2 20 Operation panel circuit Figure 2 21 Various detector circuits P82 C17 R55 Q35 Q36 R56 R41...

Page 64: ...ng the DKD1 and DKD2 signals from the CPU U5 causes the transistors Q29 and Q30 to be turned On This causes then transistor array QM5 to be turned On and the drawer drive signal is output The drawer status signal DK_S which indicates whether or not the drawer is open is input to the CPU U5 allowing the host to check the status via the interface The 24V drawer power supply is supplied via the regul...

Page 65: ...or the Motor carriage drive circuit Motor paper feed drive circuit and operation panel control circuit The pins are used to read DIP switches temporarily immediately after the printer initialization or the power is turned on 1 Resistance between E and B is used for pull up resistors in the transistor Figure 2 23 DIP switch read circuit 5V 52 53 54 55 56 57 58 59 P20 P21 P22 P23 P90 P91 P92 P93 1 2...

Page 66: ...lled in the print head An analog digital conversion of the partial pressure difference between the heat Detector and R18 is carried out in AN1 PIN8 of the CPU U5 and the temperature is calculated If the head is overheating or working improperly the ERROR LED flashes Figure 2 24 Print head drive circuit Print head unit COM 3 5 7 5 7 1 3 w b h j b g HEAD1 HEAD5 HEAD6 HEAD2 RM3 8 7 6 5 4 3 2 1 Q4 9 7...

Page 67: ...ion By turning P52 of the CPU to Low 24V 24B signal in the figure below is applied to the COM terminal of its coil and it is made to run by changing P20 P21 P22 and P23 to High and Low Its speed is determined by the speed of changing P20 P21 P22 and P23 between High and Low At the end of paper feeding P52 of the CPU is once again set to High Figure 2 25 Motor paper feed drive circuit Figure 2 26 M...

Page 68: ...re is no paper or no ribbon cassette in the printer the print quality of subsequent print jobs may suffer the printing color may become uneven or some dots may not be printed because of damage to the surface of the platen printing wires or ribbon Use a ground wire connected to the frame ground FG screw to ground the printer Be careful when wiring and connecting the interface power and drawer kick ...

Page 69: ...The ribbon may catch on the print head Do not re ink a ribbon If a ribbon is re inked Print quality could deteriorate due to a malfunction of the print wires Ink may leak Replacing the Paper Roll Note Be sure to use roll paper that meets the specifications 1 Turn on the printer 2 Remove the Cover printer 3 Pull the paper and cut the paper at the dotted line shown in the illustration below 4 Press ...

Page 70: ...0PD Technical Manual 6 Using scissors cut the leading edge of the paper roll perpendicular to the paper feed direction as shown below 7 Insert the paper roll Note Be sure to note the correct direction that the paper comes off the roll as shown below ...

Page 71: ... the Printer cover 10 When the PAPER OUT light blinks press the FEED button to set the printer on line Replacing the Ribbon Cassette CAUTION Make sure the printer is not receiving data when you replace a ribbon cassette otherwise data may be lost 1 Remove the Main cover 2 Remove the used ribbon cassette 3 Turn the ribbon cassette s knob in the direction of the arrow to take up any slack in the rib...

Page 72: ...he opposite direction of the arrow marked on the cassette otherwise the ribbon cassette may be damaged 4 Insert the ribbon in the position shown in the illustration below and push the ribbon cassette until it clicks Note Make sure that the ribbon is installed between the print head and the platen without wrinkles or creases ...

Page 73: ...r Follow these steps to clear a paper jam CAUTION The print head becomes very hot during printing Allow it to cool before you reach into the printer 1 Turn the printer off and remove the Printer cover 2 Pull the paper and cut it at the position shown by the dotted line in the illustration below 3 Remove the paper roll 4 Remove the ribbon cassette from the printer Cut here ...

Page 74: ...ection of the arrow Single color Print Version only then move the Frame ribbon Cover head from the printer 7 Remove all the jammed paper Note Do not pull the jammed paper in the opposite direction of paper feeding 8 Replace the Frame ribbon Cover head and close the lock to secure it 9 Install the paper roll Ribbon cassette and Cover printer Frame ribbon knob Single color Print Version 2 color Prin...

Page 75: ...every six months Periodic checks Checkpoints Standards Remedies Dust paper particles or dirt on and in the printer No dust paper particles or dirt should be allowed to build up on or in the printer Clean the printer thoroughly with a vacuum cleaner No small pieces of paper should be left in the paper path Remove any pieces of paper from the paper path Lubrication See the Lubrication section Lubric...

Page 76: ...ed intervals using the correct lubricants Lubrication Standard During disassembly and reassembly clean the parts first then lubricate them See the lubrication points table in this chapter and the lubrication and adhesive points diagrams in the Appendix Lubricate or overhaul after every 5 million lines printed Lubricants The types of lubricants used greatly affect the printer s performance and dura...

Page 77: ...crewdriver No 1 Phillips screwdriver No 2 Phillips screwdriver No 2 with long handle Flatblade head screwdriver Pliers Retaining pliers 2 3 Thickness gauge 0 55mm 0 60mm 0 65mm Tweezers Slanted blade cutter Electric soldering iron Lubrication points No Lubrication point Lubricant type 1 Contact points between the Shaft carriage and Carriage sub ass y 2 points O 10 2 Shaft ribbon intermediate gear ...

Page 78: ...Rev B Handling and Maintenance 3 11 TM U200D U200PD Technical Manual Lubricant and adhesive list Lubricants and adhesives Type name Quantity Grease G 31 40gr Oil O 10 40gr ...

Page 79: ...w the steps outlined in this table to repair a defect whose symptoms are known Self test Initiating the Self test 1 Insert a paper roll and a ribbon cassette in the printer and close the printer cover 2 Turn off the printer 3 Turn on the printer while keeping the FEED button depressed The self test starts and status information is printed Self test Standby 1 When status information printing is com...

Page 80: ...2 Troubleshooting Rev B Ending the Self test The printer prints completed and ends the self test The printer automatically becomes ready to receive data after the self test Figure 4 1 Self test print out ...

Page 81: ...CBs and other components should be performed only by technicians Execute the self test Start Power on Is POWER Is PAPER Is paper roll in Is self test normal Is printout END Host sends print data Replace or insert paper roll 1 1 3 3 No Yes Yes No Yes No Yes No Yes No No Yes LED lit OUT LED lit near end condition or not inserted normal 2 2 4 4 5 5 loading executed Semi automatic No Yes Is ERROR LED ...

Page 82: ...ternal power supply Replace Fuse F1 Replace main PCB OK OK OK Is power supply cable connected properly Does external power supply have proper output voltage rating approx 40 V in no load condition Has fuse F1 on main PCB blown End End End End No No No No No No Yes Yes Yes Yes Yes 1 P POWER LED does not light Yes ...

Page 83: ... Technical Manual roll near end sensor continuity normal Replace the near end sensor No OK Replace printer mechanism assembly OK Replace Main PCB No No END END END Is the paper Yes 2 P PAPER LED is lit 2 Yes Yes The near end sensor is optional ...

Page 84: ...ND END Is paper jammed in the paper inlet path Remove the paper Is CN6 connector hooked up firmly Hook up connector firmly Replace printer mechanism assembly Replace main PCB No No No No No Yes Yes Yes Yes Yes 3 Semi automatic loading is not executed ...

Page 85: ...TM U200D U200PD Technical Manual 4 4 Take the steps described in Is ERROR Replace main PCB END END Yes No 4 S Self test is not normal END OK No Yes LED flashing Error types and countermeasures Replace printer mechanism assembly ...

Page 86: ...ce parameters set to identical values at host printer Make settings identical Replace with a proper cable Is Connect the interface End End End End OK OK OK 5 Data from host is not printed normally Yes Does interface cable match specifications Yes connected to the main PCB firmly interface PCB PCB firmly mechanism assembly Yes Dotted line indicates the process of checking problems for the serial in...

Page 87: ...em If the problem persists after taking these steps check the other possible causes listed Table 4 1 Troubleshooting table for printer operation failure Problem Probable cause Level Checkpoint Action The POWER LED does not light when the power is on The AC adapter may be bad B Check the output voltage of the AC adapter approx 40 VDC with unloaded Replace the AC adapter The fuse may be blown B Chec...

Page 88: ...eplace the Motor carriage ass y The home position detector ass y may be bad B Using an oscilloscope check if the detection signal is output when print head unit passes above the home position detector ass y Replace the home position detector ass y Semi automatic loading is not executed Paper is not fed The operation of the paper supply may be incorrect A Check if the paper roll meets the printer s...

Page 89: ... bad B Check if there are paper particles or ink on the tips of the dot wires of the Print head unit Remove any paper particles or ink or replace the Print head unit The Print head unit may be worn B The cause is none of the above Replace the Print head unit The character width is incorrect Paper particles or foreign substances may be attached to gears or pulley belt driving or the belt B Check if...

Page 90: ...ler paper hold ass y or replace it The Roller paper hold ass y may be worn or damaged B Check the wear and damage of the rollers of the Roller paper hold ass y Replace the Roller paper hold ass y Gears may be worn or damaged B Check the wear and damage of the Gear paper feed reduction and Gear paper feed Replace any worn or damaged parts The printer prints but the ribbon is not fed The ribbon cass...

Page 91: ...me ribbon ass y is not deformed If it deformed replace the Frame ribbon ass y The ribbon is defective A Verify that the color of the ribbon is not blurred or the Ribbon is not rumpled or worm Replace the Ribbon cassette if the ribbon is worn or the print color is light Color does not change Black to red or red to black The Spring ribbon release is unhooked or damaged B Verify that the Spring ribbo...

Page 92: ...ead write error Read write check has failed 4 High voltage error Power supply voltage is too high 5 Low voltage error Power supply voltage is too low 6 CPU execution error CPU is trying to execute an invalid address 7 Thermistor error There is an abnormality in detecting the print head temperature or the print head rank can not be read correctly Action 1 Action 2 Action 3 Action 4 Action 5 Action ...

Page 93: ... 4 15 TM U200D U200PD Technical Manual Action 1 Wait for the print head temperature to drop printer recovered from the error Replace main PCB Yes No END END END No OK Action 1 Yes Replace printer mechanism assembly Has the ...

Page 94: ... No Is CN5 connector Remove paper Insert the connector OK END END OK OK END Replace main PCB Action 2 Yes END No Yes No Yes Yes inserted firmly firmly Replace printer mechanism assembly Are there any pieces of paper in the home position sensor ...

Page 95: ...l END END END Yes Yes No No No Action 3 Turn the printer power off Does external power supply have proper output voltage rating approx 40V in no load condition Replace external power supply Replace main PCB Replace printer mechanism assembly OK OK Action 3 Yes ...

Page 96: ...4 18 Troubleshooting Rev B END END Yes No Action 4 Replace main PCB Replace printer OK Action 4 mechanism assembly ...

Page 97: ...ead S tite self tapping screw CBB tite Cross recessed Binding head B tite self tapping screw CBT B Cross recessed Binding head self tapping screw without fluted class 2 CP O Cross recessed Pan head screw with outside toothed lock washer CPS tite Cross recessed Path head S tite self tapping screw CPS tite O Cross recessed Pan head S tite screw with outside toothed lock washer CPT B Cross recessed P...

Page 98: ...he printer 2 Disconnect the external power supply 3 Remove the main cover assembly from the printer 4 Remove the lower plate from the printer 5 Use tweezers to remove the blown fuse 6 Replace the fuse with a 125 V 2 0 AT Littelfuse 154002T CPS tite M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Fuse ...

Page 99: ...ler paper hold through the Spring paper hold plate and Roller paper hold 3 Hold the Roller paper feed ass y at the angle shown in the illustration and insert the thin end of the shaft into the Frame paper feed ass y Then move the Roller paper feed ass y into place Shaft Roller paper hold Apply G 31 Roller paper hold Spring paper hold plate Frame paper feed ass y Roller paper feed ass y thin portio...

Page 100: ...lder L into the frame as shown in the illustration 6 Fix the J feed roller shaft holder L onto the shaft on the Roller paper feed ass y insert it in the frame and lock it with R E Note The right J feed roller shaft holder L which is fixed to the Roller paper feed ass y is inserted into the frame first then the J feed roller shaft holder L is attached J feed roller shaft holder right Gear paper fee...

Page 101: ...the shaft of the Roller paper feed ass y attach the Paper guide to the Frame paper feed ass y Press the Paper guide until it clicks Check that the two dowels on the Frame paper feed are in the rectangular holes on the Paper guide upper Frame paper feed Motor paper feed ass y CBS tite M3x5 0 69 to 0 88 N m 7 to 9 kgf cm Dowels Rectangular holes shaft on the Roller paper feed ass y Paper guide upper...

Page 102: ...ow 10 Hook the Spring paper hold to the Frame paper feed ass y and Shaft paper hold roller Hook the spring on the Motor paper feed side first If you hook the other side first the Shaft paper hold is hard to hook Shaft paper hold roller Frame paper feed ass y Shaft paper hold roller Spring paper hold Frame paper feed ass y Motor paper feed ...

Page 103: ...Technical Manual Check that the corner edge of the Spring paper hold plate is placed on the Frame paper feed ass y as shown in the illustration below Check that the Spring paper hold plate is not deformed Spring paper hold plate Corner edge Frame paper feed ass y ...

Page 104: ... of the Frame base ass y While rotating the Lever ribbon switch make sure that you do not catch the protection part to slip of the Lever ribbon 2 Hook the Spring ribbon release to the notch of the Lever ribbon switch an hook B of the Frame base ass y 3 Fit the holes of the Lever ribbon release to two shafts of the Frame base assiy then secure it with the R E Check that the Lever ribbon switch and ...

Page 105: ...the Frame base ass y 5 Attach the Gear ribbon transmission and Ribbon take up ass y together to the Frame base ass y 6 Attach the Plate ribbon drive ass y to the Frame base ass y and fix with the R Es R E 2 3 Gear ribbon Gear ribbon Frame base ass y intermediate transmission Plate ribbon drive ass y Ribbon take up ass y ...

Page 106: ... in the direction of arrow 2 to lock it Main Assembly 3 Frame paper feed ass y 1 Place the Frame paper feed ass y sub assembly A on the Frame base ass y so that portion A is aligned with portion B 2 Press down the Frame paper feed ass y until the tabs on the Frame paper feed ass y lock into the rectangular holes on the Frame paper feed 1 Tab Tension plate ass y Frame base ass y 2 ...

Page 107: ...he B corners of the Frame base ass y Then slide the Motor carriage ass y in the direction of the arrow to fit the other two corners of the Motor carriage ass y under the tabs of the Frame base ass y CBT B M3x10 Portion A Plate spring paper hold Rectangular hole Portion A Tab CBT B M3x10 Portion B Frame base ass y Frame paper feed ass y 0 49 to 0 69 N m 5 to 7 kgf cm 0 49 to 0 69 N m 5 to 7 kgf cm ...

Page 108: ...ute the cables of the Motor carriage and Motor paper feed outside the base frame as shown in the illustration Main Assembly 5 Carriage sub ass y 1 Fit the belt over the Gear of Motor carriage sub ass y and the Pulley of Tension plate Cable of Motor paper feed Paper feed Hook A Motor carriage cable frame Carriage Belt Pulley of Tension plate Gear of Motor carriage sub ass y sub ass y ...

Page 109: ...per feed ass y and Carriage sub ass y At this time hook the Spring paper hold to the dowels of Shaft carriage as shown in the illustration Check that the hooks of Spring paper hold are hooked in the correct direction The direction is different for the right and left springs Shaft carriage Frame paper feed ass y Carriage sub ass y Hook of Spring paper hold ...

Page 110: ...he Shaft carriage as shown in the illustration 2 Push the Shaft holders adjusting roller and turn them 90 degrees in the direction of arrow C The A portion points straight down Check that the Shaft holders adjusting roller click into place Shaft holders adjusting roller Shaft carriage Shaft carriage Portion A Shaft holder adjusting roller C ...

Page 111: ...g belt tension to the hooks of the Tension plate ass y and Frame paper feed ass y 2 Push the Motor carriage ass y in the direction of the arrow to make sure that the motor is properly placed Then attach the screw Be careful not to move the Tension plate ass y when securing the screw Shaft carriage guide Frame base ass y R E 2 3 Carriage sub ass y Motor carriage ass y CCS tite M3x6 Hook of Frame pa...

Page 112: ...or ass y into the Frame base ass y then attach the board by pushing it in 2 Press the board down to attach it completely 3 Attach the Paper detector switch to the Frame base ass y Make sure that the Detector board is not damaged 4 Hook the lead wires of Detector ass y to the Frame base ass y as shown in the illustration Hook of Frame base Spring belt tension Detector sub ass y Frame base ass y Pap...

Page 113: ... Motor carriage ass y and turn the heat sink in the direction of the arrow until it stops Check that the Radiating plate carriage motor surface B and surface A of the Frame paper feed are the same height If not adjust the Radiating plate carriage motor to make the surfaces the same height Check that the motor s cables are not caught on the heat sink Lead wires of Paper detection switch sub ass y L...

Page 114: ...e Frame base ass y as shown in the illustration 2 Turn over the Frame base ass y and pull the FFC print head so that the crease shown as a dotted line in the illustration comes to the position shown by the arrow 3 Hook the FFC print head to the Frame base ass y FFC print head Frame base ass y FFC print head Frame base ass y Single color Print Version ...

Page 115: ...he projections with the arm 2 Fold the straight side of FPC print head See figure 3 Pass the straight side of FPC print head through the slit in Frame base ass y 4 Pull out FPC print head from the back of Frame base ass y 5 Adjust FPC print head from the back of Frame base ass y 6 Pass the end of FPC print head through the guide of Frame base ass y Arm section Projection FPC print head Straight si...

Page 116: ...te and Print head unit Single color Print Version only 1 Attach the Print head ground plate to the Carriage sub ass y 2 Attach the FFC print head to the Print head unit 3 Place the FFC print head under the hooks on the Carriage sub ass y and then secure the Print head unit to the Carriage sub ass y with the screw Hook FPC print head processing 2 color Print Version ...

Page 117: ...tween the FFC edge and portion A If there is no space the FFC print head may not be inserted into the Print head unit firmly Remove the Print head unit and insert the FFC print head again Print head unit 2 color Print Version only 1 Attach the FPC print head to the Print head unit CPP tite M3x10 0 49 to 0 69 N m 5 to 7 kgf cm Print head unit Hooks Print head ground plate Carriage sub ass y O 10 ap...

Page 118: ...ss y with the screw Make sure that there is a space between the slanting edge of the FPC print head and the Carriage sub ass y slanting side and between the FPC edge and portion A If there is no space the FPC print head may not be inserted into the Print head unit firmly Remove the print head unit and insert the FPC print head again CPP tite M3x10 0 49 to 0 69 N m 5 to 7 kgf cm 2 color Print Versi...

Page 119: ...on only 1 Attach the Frame ribbon ass y to the Frame base ass y making sure that portion A comes under portion B 2 Tighten the Frame ribbon knob to lock the assemblies together Frame ribbon ass y Frame ribbon knob Portion A Portion B Frame base ass y Single color Print Version The Single color Print Version finishes the main mechanism assembly with this process ...

Page 120: ... Print Version 1 Attach the dowel of the Fixing plate cover left to the hole of Frame paper feed and secure it with the screw 2 Attach the dowel of Fixing plate cover right to the hole of Frame paper feed and secure it with the screw 2 color Print Version Fixing plate cover right Fixing plate cover left CCS tite M3x10 0 69 to 0 88 N m 7 to 9 kgf cm CCS tite M3x10 0 69 to 0 88 N m 7 to 9 kgf cm ...

Page 121: ...nt 5 25 TM U200D U200PD Technical Manual Main Assembly 16 Earth plate ribbon frame 2 color Print Version only 1 Put the Earth plate ribbon frame in the Shaft carriage guide Earth plate ribbon frame Shaft carriage guide 2 color Print Version ...

Page 122: ...n ass y on the Frame base ass y Point lubrication diameter 1mm 3 Apply G 31 to the each furnishing shaft left and right of the Frame base ass y Line lubrication length 2mm x wide 1mm 4 Attach the shaft A and B of the Frame base ass y to the Frame ribbon ass y 5 Attach the Fixing plate ribbon frame to groove A 6 Hook the Spring ribbon frame to C of the Frame base ass y and D of the Frame ribbon ass...

Page 123: ...ver head 2 color Print Version only 1 Place the Thumb screw to the hole of the Cover head and secure R E 2 5 in the center of the Thumb screw 2 Place the Cover head on the Fixing plate cover left first and then the right then rotate and secure with the Thumb screw Thumb screw Cover head R E 2 5 2 color Print Version ...

Page 124: ...ly Assembly and Adjustment Rev B Main Assembly 1 Case Unit Plate cutter lower 1 Attach the Plate cutter lower to the Plate upper and secure it with the screws CPS tite M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Plate upper ...

Page 125: ...Plate upper 1 Turn over the printer mechanism assembly 2 Align the rectangular hole with the hook hole A with dowel B and then secure the plate with the screw Make sure hole C is aligned with dowel D Hole C Plate upper Hole A Rectangular hole Dowel D Dowel B CBS tite M3x5 0 59 to 0 78 N m 6 to 8 kgf cm Hook ...

Page 126: ...e direction of arrow 2 to release the hook to remove the plate completely Main Assembly 3 Case Unit Main circuit board ass y 1 Attach the Main circuit board ass y to the Plate upper by attaching the Power switch side first and then the drawer kick out and power connectors side Secure the Circuit board with the screws Plate upper Arrow 1 Arrow 2 Hook ...

Page 127: ...D Technical Manual Make sure to use the correct screw for each location CP 0 M3x6 0 59 to 0 78 N m 6 to 8 kgf cm CPS tite M3x6 Main circuit board ass y CP 0 M3x6 0 59 to 0 78 N m 6 to 8 kgf cm CPS tite M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Power switch Plate upper ...

Page 128: ...or paper feed and the cable of the Motor carriage Also check that the black or red side of each cable is on the pin 1 side of the connector Main Assembly 5 Case Unit Case lower 1 Attach the Case lower to the printer mechanism assembly It is easy to assemble if you first place portion B of the Case lower under portion A of the upper plate 2 Bring out the Motor paper feed and cable of the Motor carr...

Page 129: ...ith the screws Adjustment Perform the platen gap adjustment by referring to the Adjustment section at the end of this chapter Portion C Lower case Portion B Portion D Portion A Plate upper CPT B M3x12 0 59 to 0 78 N m 6 to 8 kgf cm CPT B M3x12 0 59 to 0 78 N m 6 to 8 kgf cm Lead wires of the Detector ass y ...

Page 130: ...ach the manual cutter to the Frame paper feed ass y and secure it with the screw Check that the Manual cutter is aligned with the Frame paper feed as shown in the illustration below CBS tite M3x5 0 69 to 0 8 N m 7 to 9 kgf cm Manual cutter Frame paper feed ass y Frame paper feed Manual cutter ...

Page 131: ...ly with the screws Main Assembly 7 Case Unit Paper roll receive rollers Case upper Roller guide and Switch panel 1 Apply G 31 to both of the Paper roll receive rollers 2 Attach the Paper roll receive rollers to the Case lower 3 Attach the Case upper to the Case lower and secure it with the screws Make sure not to catch the grounding wires on the Case upper 4 Attach the Roller guide to the Case upp...

Page 132: ...ste the Switch panel on the Case upper In case of the Single color Print Version check that the grounding wires are not caught on the Case upper Paper roll receive roller Switch panel CPT B M3x12 0 59 to 0 78 N m 6 to 8 kgf cm Case upper Case lower Apply G 31 Roller guide CPT B M3x12 0 59 to 0 78 N m 6 to 8 kgf cm G 31 ...

Page 133: ... board ass y and secure with the Hexagon lock screws Serial interface or the CPS tite screws parallel interface 3 Connect the Interface circuit board ass y to the Main circuit board ass y and secure with the screws Serial Interface Hexagon lock screws 0 39 to 0 59 N m 4 to 6 kgf cm CP 0 M3x6 0 59 to 0 78 N m 6 to 8 kgf cm CP 0 M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Connector plate Interface circuit b...

Page 134: ...mly connected to the Main circuit board ass y Main Assembly 9 Case Unit Plate lower Cover ROM and Rubber foot 1 Attach the Plate lower to the Case lower and secure it with the screws 2 Attach the Cover ROM to the Plate lower and secure it with the screws CPS tite M3 6 board ass y Interface circuit 4 to 6kgf cm ...

Page 135: ...l 3 Attach the Rubber feet to the Case lower For the Rubber foot attached to the front of the printer turn the foot lightly until it stops CPS tite M3x6 0 59 to 0 78 N m 6 to 8 kgf cm Rubber foot Case lower Cover ROM Spacer ROM Plate lower Rubber foot at the front of the printer ...

Page 136: ...Assembly 10 Case Unit Caution seal AB Single color Print Version only 1 Remove any dust and dirt from the Caution seal mounting surface and paste the Caution seal AB on the Frame ribbon ass y Caution seal AB Frame ribbon ass y Single color Print Version ...

Page 137: ...l Manual Main Assembly 11 Case Unit Cover main and Hinge ass y There are two type printers which are either with or without the Hinge ass y 1 Attach the Cover main ass y to the Case upper without the Hinge ass y The case without the Hinge ass y Cover main ass y Case upper ...

Page 138: ...5 42 Disassembly Assembly and Adjustment Rev B 1 Attach and secure the Cover main ass y with the screws with the Hinge ass y ...

Page 139: ...sembly Assembly and Adjustment 5 43 TM U200D U200PD Technical Manual The case with the Hinge ass y Case main ass y Hinge ass y CPS B M3x12 0 59 to 0 78 N m 6 to 8 kgf cm CPS B M3x10 0 59 to 0 78 N m 6 to 8 kgf cm ...

Page 140: ...r N E detection with the screw 3 Decide whether you want to install the Spacers N E detections The amount A of paper remaining including the paper roll core is changed by the Spacers N E detections The amount A with the Spacers N E detections 3 to 4 mm 0 12 to 0 16 The amount A with the Spacers N E detections 6 mm 0 24 Lever N E detection CBB tite M2x8 0 1 to 0 2 N m 1 to 2 kgf cm Holder N E detec...

Page 141: ...ed in the correct direction as shown in the illustration 5 Insert the Near end detector s lead wires into the connector Make sure to arrange the lead wires as shown in the illustration 6 The inner diameter of the paper core should be 10 5 to 12 5 mm 0 41 to 0 49 After assembling the Near end detector ass y make sure that the Lever near end detection moves smoothly Round corner Round corner Near en...

Page 142: ...e the Print head unit so that it is 1 to 2 cm 0 39 to 0 79 from portion A of the Spring paper hold plate and insert the scaling gauge between the Print head unit and Platen 3 Measure the space and if the value is out of the standard value Square head with the radiator 0 60 mm 0 05 mm 0 024 0 002 Round head without the radiator 0 55 0 05 mm 0 022 0 002 turn the Shaft holders adjusting roller to get...

Page 143: ... U200D U200PD Technical Manual 4 Perform the adjustment at two positions Frame ribbon ass y Frame ribbon knob Scaling gauge Print head unit Wide Narrow Platen Portion A Spring paper hold plate Single color Print Version Shaft holder adjustment roller ...

Page 144: ...48 Disassembly Assembly and Adjustment Rev B 2 color Print Version Narrow Wide Cover head Portion A Thumb screw Print head unit Platen Spring paper hold plate Shaft holder adjustment roller Scaling gauge ...

Page 145: ...Rev B Disassembly Assembly and Adjustment 5 49 TM U200D U200PD Technical Manual ...

Page 146: ...5 50 Disassembly Assembly and Adjustment Rev B ...

Page 147: ...Rev B Disassembly Assembly and Adjustment 5 51 TM U200D U200PD Technical Manual ...

Page 148: ...5 52 Disassembly Assembly and Adjustment Rev B ...

Page 149: ...s low Signal levels and communication control functions Data transmission Bit serial Synchronization Asynchronous Handshaking Depend on the DIP switch settings DTR DSR or XON XOFF control Signal levels 2 0 V to 5 0 V Logic 1 0 0 V to 0 8 V Logic 0 Baud rates Depend on the settings of the TM series printers 2400 to 19200 Data word lengths Depend on the settings of the TM series printers 7 or 8 bits...

Page 150: ...re not ready for communication the host is not ready to receive data If the electric potential of DR1 is higher than that of DR2 the TM series printers are ready for communication the host is ready to receive data If the electric potential of DR1 is lower than that of DR2 the TM series printers are not ready for communication the host is not ready to receive data DR1 DR2 Function H L Communication...

Page 151: ...ta The signal is always DR1 DR2 except in the following cases During the period after the power is turned on until the printer is ready to receive data During the self test 10 11 CS 1 CS 2 I This signal indicates whether the host computer is BUSY or READY CS1 CS2 indicates that the printer is READY and CS1 CS2 indicates that the printer is BUSY 1 When DTR DSR is selected The signal is checked and ...

Page 152: ...is full 2 XOFF is not transmitted when the receive buffer is full NOTE The XON code is 11 H and the XOFF code is 13 H Data Format When Using RS 485 Transmission data 8 bits none parity RS 485 Communication data format B Printer status Off line status DIP SW status ON OFF XON transmission When the printer goes on line after turning on the power or reset using interface Transmission Transmission Whe...

Page 153: ... reception data RD1 RD2 The transmission data is H 1 L 0 Note This format is used when the UART for RS 232 is connected to the RS 485 driver Printer reception data level Printer transmission data level RD1 RD2 Read data H L Receiving data line is low level L H Receiving data line is high level SD1 SD2 Send data H L Sending data line is low level L H Sending data line is high level ...

Page 154: ...Appendix A 6 Rev B Main Circuit Board A Parts Layout ...

Page 155: ...Rev B Appendix A 7 TM U200D U200PD Technical Manual Main Circuit Board C Parts Layout ...

Page 156: ...Appendix A 8 Rev B RS 232 Serial Interface Circuit Board Parts Layout ...

Page 157: ...1 RM12 HCT373 RM11 R12 R11 R36 R30 R43 R46 C4 C21 R15 R16 R10 C16 R42 R40 C17 R29 R27 R50 R25 R54 C5 R32 C27 R49 R39 R45 R23 R52 R14 R7 CU5 C10 C19 CU7 R51 R13 C28 C29 C30 P a r t s DNO 202055900 C33 C31 C32 5 26 1 6 7 12 EPSON 1 1 C23 RN2 RN1 C25 1 1 18 1 36 19 HCT00 LS244 TMP90C802 LS244 U11 CN2 CN1 U2 C3 U1 CU10 C14 711V C26 C15 C24 D1 CU1 CU11 X1 U10 PARALELL I F BOARD S e t DNO 202056000 ...

Page 158: ... B RS 485 Serial Interface Circuit Board Parts Layout C5 15 14 30 29 1 2 16 17 R7 U1 1 1 R1 TP1 R9 13 25 1 14 R2 CN1 R3 R CMK G2X R4 U2 R11 R12 R13 R8 R15 TP2 R5 R18 R14 R16 R19 R17 R10 R6 CN2 R S 4 8 5 3 0 P B O A R D ...

Page 159: ...G DK2 24A DKS DK1 U8 with IC SOCKET R S T R24 R28 P G D2 D15 R52 Q34 A12 AD0 AD1 AD2 A0 A1 A2 A3 A4 A5 A6 A7 A15 AD3 AD4 AD5 AD6 AD7 A10 A11 A9 A8 A13 A14 RD A17 A16 A12 2 A7 3 A6 4 A5 5 A4 6 A3 7 A2 8 A1 9 A0 10 D0 11 D1 12 D2 13 GND 14 D3 15 D4 16 D5 17 D6 18 D7 19 CE 20 A10 21 OE 22 A11 23 A9 24 A8 25 A13 26 A14 27 VCC 28 A15 1 U8 A 0 7 GND GND PCE 2 4 A 5 V 2 4 I N G N D P G MCE 120nS FG 1 DKD...

Page 160: ...2I 8 T1O 14 T2O 7 GND 15 V 2 C1 1 C1 3 R1O 12 R2O 9 T1I 11 T2I 10 V 6 U1 C2 C7 DSR SD RD DTR FG 1 SD SD1 2 RD SD2 3 RS RD1 4 RD2 5 DR INIT1 6 SG 7 DR1 8 DR2 9 CS1 10 CS2 11 12 13 14 15 16 17 18 19 ER 20 21 22 23 24 INIT2 25 SHELL 0 CN1 SG RTS TO HOST C3 DTR SD DSR RD 1 2 V SG RTS DTR SD RD 5V 5 V 5 V SG RTS SG DSR_RESET 25_RESET C5 R1 R21 Q1 RD SD DTR R T S 5V SG SG SG TP1 10K 10K 12V 12V R7 R3 10...

Page 161: ...9 P26 A14 38 X2 22 P25 A13 37 P24 A12 36 P23 A11 35 P22 A10 34 P21 A9 33 P20 A8 32 P17 A7 31 P16 A6 30 P15 A5 29 P14 A4 28 P13 A3 27 P12 A2 26 P11 A1 25 P10 A0 24 RESET 23 U2 CEN5 CEN6 CEN7 1 2 3 4 5 6 R40 R42 R43 R48 C23 C26 R49 R51 5V 5V 5V C19 C18 Q5 R11 R50 C20 C21 C22 C24 C25 DD5V STB HOSTCLK 1 DATA1 2 DATA2 3 DATA3 4 DATA4 5 DATA5 6 DATA6 7 DATA7 8 DATA8 9 ACK PTRCLK 10 BUSY PTRBUSY 37 11 PE...

Page 162: ...TO HOST R6 R3 R11 R4 1 2 3 4 8 7 6 5 U1 R10 R5 CS1 CS1 CS2 CS2 DR1 DR2 RD1 RD2 SD1 SD2 5V 5V CTS CTS SD RD 5 V SG SG DR DR C5 R17 R16 R18 DK 1 1 DK S 2 PG 3 PG 4 24V 5 24V 6 PG 7 HOST_RTS 8 CTS 9 DET 10 RTS 11 CLKIN DTR 12 CLKREQ 13 SG 14 5V 15 DK 2 16 DK G 17 DK P 18 PG 19 24V 20 24V 21 PG 22 SG 23 SD 24 RD 25 RES 26 25_RESET 27 DSR_RESET 28 RESET 29 SG 30 CN2 5 V 5V SG SG SG CTS DR TO MAIN BOARD...

Page 163: ...tector ass y Frame ribbon ass y Radiating plate carriage motor Motor carriage ass y R E 2 3 Frame base ass y CCS tite M3 x 6 Paper guide upper Roller paper feed ass y Shaft holder adjusting roller Frame paper hold Gear paper feed reduction M3 x 10 CBT B Plate spring paper hold Spring paper hold Shaft paper hold roller Roller paper hold Gear ribbon intermediate Plate ribbon drive ass y Shaft holder...

Page 164: ...iate Frame base ass y R E 2 3 Fixing plate cover left J feed roller shaft holder L Spring paper hold R E 2 3 Shaft paper hold roller Motor carriage ass y CBS tite M3 x 5 CBT B Manual cutter Fixing plate cover right Plate spring paper hold CBS tite M3 x 5 Paper guide upper Gear paper feed reduction Shaft holder adjusting roller Roller paper feed ass y CBT B M3 x 10 CCS tite M3 x 6 C P P tite M3 x10...

Page 165: ... b g X C b p l X y T N E o C P S tite M3 x 6 Plate lower cutter Rubber foot Microswitch Case lower C P S tite M3 x 6 I F circuit board ass y Plate upper C P O M3 x 6 Hexagon lock screws Paper roll receive roller C P O M3 x 6 Plate connector P ROM Cover ROM Plate lower Spacer ROM C B B tite M2 x 8 For the parallel interface the C P S tite screws are used Lever N E detection C P T B M3 x 12 C P T B ...

Page 166: ...Z b g K C h P X ª X C b p l q W Z b g X y T N E o A Plate lower cutter C P S tite M3 x 6 I F circuit board ass y C P O M3 x 6 C P O M3 x 6 Hexagon lock screws Plate upper Case lower Plate connector Microswitch Paper roll receive roller C P T B M3 x 12 Cover main ass y C P T B M3 x 12 C P T B M3 x 12 Roller guide Case upper Switch panel Printer mechanism ass y C P T B M3 x 12 C P T B M3 x 12 C P S ...

Page 167: ...Rev B A 19 TM U200D U200PD Technical Manual Printer Mechanism Unit Lubrication Points Diagram Single color Print Version ...

Page 168: ...Rev B A 20 TM U200D U200PD Technical Manual Case Unit Lubrication Points Diagram 2 color Print Version ...

Page 169: ...Rev B A 21 TM U200D U200PD Technical Manual Case Unit Lubrication Points Diagram ...

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